“He hung in there way longer than anybody could have expected. I would like to say she is horribly upset, but she lives in a fantasy world… He’s in a different stage of his life and his priorities have changed. He’s on his way up and she’s on her way down.”

Cannon has as many as 12 gigs on the go, making his check-ins with Carey harder and harder.

“She always suspected when he was working that he was somehow out there cheating, and she’d be home alone, calling Nick 100 times a day,” the insider said.